What are 2 ways that meiosis leads to genetic variation? How do they lead to variation? *

Genetic Recombination and Independent Assortment

I would look into these further to answer your question. I am sure you textbook talks about it, or you could probably find a good video.

the answer is cell division : )

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.